Question

【题目】My brother ____ in the paper factory since he ____ college three years ago.
A.had worked; left
B.has worked; left
C.had worked; was leaving
D.has worked; was leaving

Answer 1

【答案】B
【解析】句意：我哥哥自从三年前大学毕业就在这家造纸厂工作。since引导的从句用一般过去时，主语用现在完成时，故选B。